Álvarez Castaño, Luz Stella, Juan Diego Goez, and María Teresa Quintero. 2019. “The Public-Private Partnership Model in the Management of Early Childhood Policy in Medellin: Case Study”. Gerencia Y Políticas De Salud 18 (36):1-21. https://doi.org/10.11144/Javeriana.rgps18-36.pppm.